The best solution would be to remove the ISP's router from the equation. What ISP do you have? Where do you live? In places like Italy it's trivial to change the router, not so much in France/others
I just did the contrary. Moved from debian to arch. After the update to trixie my network stack completely died somehow, so I'm going back to arch.
No reason ? Increased value for shareholders is not enough of a reason for you ? You should feel ashamed.
I reeeally need to rewatch season 1 first